com.edorasware.cmmn.one.implementation

Class OneExpressionResolver

java.lang.Object

com.edorasware.cmmn.one.implementation.OneExpressionResolver

All Implemented Interfaces:

WorkItemExpressionResolver

Direct Known Subclasses:

OneEvaluationListeners

public class OneExpressionResolver
extends Object
implements WorkItemExpressionResolver

CMMN specific API to resolve edoras one back-end expressions. Generally delegates to GearExpressionResolver, providing additional CMMN specific context for variable resolution.

Constructor Summary

Constructors

Constructor and Description
OneExpressionResolver(com.edorasware.gear.core.expression.GearExpressionResolver gearExpressionResolver, com.edorasware.commons.core.any.AnyWorkObjectService anyWorkObjectService, AppHelper appHelper, com.edorasware.cmmn.engine.hooks.ViewCreators viewCreators)

Method Summary

Modifier and Type	Method and Description
com.edorasware.commons.core.any.AnyWorkObject	getEvaluationContext(com.edorasware.cmmn.model.structure.PlanItem planItem, com.edorasware.cmmn.model.TransitionData transitionData) Determine the work object for expression evaluation given the passed plan item and transition data.
boolean	resolveBooleanExpression(String expression, com.edorasware.commons.core.any.AnyWorkObject workObject, Map<String,Object> context, Boolean defaultValue) Resolve an edoras one backend expression to a boolean value.
Object	resolveExpression(String expression, com.edorasware.commons.core.any.AnyWorkObject workObject, Map<String,Object> context, Object defaultValue) Resolve an edoras one backend expression to an Object value.
String	resolveStringExpression(String expression, com.edorasware.commons.core.any.AnyWorkObject workObject, Map<String,Object> context, String defaultValue) Resolve an edoras one backend expression to a String value.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OneExpressionResolver

public OneExpressionResolver(com.edorasware.gear.core.expression.GearExpressionResolver gearExpressionResolver,
                             com.edorasware.commons.core.any.AnyWorkObjectService anyWorkObjectService,
                             AppHelper appHelper,
                             com.edorasware.cmmn.engine.hooks.ViewCreators viewCreators)

Method Detail

resolveBooleanExpression

public boolean resolveBooleanExpression(String expression,
                                        com.edorasware.commons.core.any.AnyWorkObject workObject,
                                        Map<String,Object> context,
                                        Boolean defaultValue)

Description copied from interface: WorkItemExpressionResolver

Resolve an edoras one backend expression to a boolean value.

Specified by:

resolveBooleanExpression in interface WorkItemExpressionResolver

Parameters:

expression - the expression

workObject - the work object to resolve it on

context - additional evaluation context (a map of key/value pairs)

defaultValue - the default value returned if the passed expression is empty

Returns:

the boolean value of the expression

resolveStringExpression

public String resolveStringExpression(String expression,
                                      com.edorasware.commons.core.any.AnyWorkObject workObject,
                                      Map<String,Object> context,
                                      String defaultValue)

Description copied from interface: WorkItemExpressionResolver

Resolve an edoras one backend expression to a String value.

Specified by:

resolveStringExpression in interface WorkItemExpressionResolver

Parameters:

expression - the expression

workObject - the work object to resolve it on

context - additional evaluation context (a map of key/value pairs)

defaultValue - the default value returned if the passed expression is empty

Returns:

the String value of the expression

resolveExpression

public Object resolveExpression(String expression,
                                com.edorasware.commons.core.any.AnyWorkObject workObject,
                                Map<String,Object> context,
                                Object defaultValue)

Description copied from interface: WorkItemExpressionResolver

Resolve an edoras one backend expression to an Object value.

Specified by:

resolveExpression in interface WorkItemExpressionResolver

Parameters:

expression - the expression

workObject - the work object to resolve it on

context - additional evaluation context (a map of key/value pairs)

defaultValue - the default value returned if the passed expression is empty

Returns:

the Object value of the expression

getEvaluationContext

public com.edorasware.commons.core.any.AnyWorkObject getEvaluationContext(com.edorasware.cmmn.model.structure.PlanItem planItem,
                                                                          com.edorasware.cmmn.model.TransitionData transitionData)

Description copied from interface: WorkItemExpressionResolver

Determine the work object for expression evaluation given the passed plan item and transition data.

Specified by:

getEvaluationContext in interface WorkItemExpressionResolver

Parameters:

planItem - the plan item.

transitionData - transition date.

Returns:

the plan item’s work object or, if there is none, the first work object instance encountered when navigating the up the plan item’s parent chain.